Some inspirations appear to be pretty clear. Channing Tatum seems to be channeling MGM star Gene Kelly, who was known to bust a move or two while wearing a sailor suit. Scarlett Johansson is definitely channeling swimmer and MGM star Esther Williams. And, as MGM studio exec and “fixer” Eddie Mannix, Josh Brolin seems to be channeling ... MGM studio exec and “fixer” Eddie Mannix. Similarly, a glance at the credits on IMDb reveals you were right if you thought Tilda Swinton’s Hollywood gossip columnist seemed reminiscent of real-life Hollywood gossip columnist Hedda Hopper. But what about George Clooney’s bumbling star? Ralph Fiennes’ foppish director? We break it all down, as best we can, in the video above.

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